103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
/*
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* Copyright (c) 2016, Zolertia - http://www.zolertia.com
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup zoul-examples
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* @{
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*
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* \defgroup zoul-motion-test Digital motion sensor test
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*
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* The example application shows how to use any digital motion sensor, basically
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* driving a signal high when motion is detected.
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*
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* @{
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*
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* \file
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* Test application for the digital motion/presence sensor
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*
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* \author
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* Antonio Lignan <alinan@zolertia.com>
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "cpu.h"
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#include "sys/rtimer.h"
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#include "dev/leds.h"
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#include "dev/motion-sensor.h"
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#include <stdio.h>
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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#define LEDS_OFF_HYSTERISIS RTIMER_SECOND
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/*---------------------------------------------------------------------------*/
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static struct rtimer rt;
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/*---------------------------------------------------------------------------*/
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PROCESS(test_presence_sensor, "Test digital motion sensor");
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AUTOSTART_PROCESSES(&test_presence_sensor);
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/*---------------------------------------------------------------------------*/
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void
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rt_callback(struct rtimer *t, void *ptr)
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{
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leds_off(LEDS_RED);
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}
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/*---------------------------------------------------------------------------*/
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static void
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presence_callback(uint8_t value)
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{
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printf("*** Presence detected!\n");
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leds_on(LEDS_RED);
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rtimer_set(&rt, RTIMER_NOW() + LEDS_OFF_HYSTERISIS, 1, rt_callback, NULL);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(test_presence_sensor, ev, data)
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{
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PROCESS_BEGIN();
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/* Register the callback handler when presence is detected */
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MOTION_REGISTER_INT(presence_callback);
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/* Enable the sensor, as default it assumes the signal pin has a pull-down
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* resistor and a rising interrupt (signal goes high when motion is detected),
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* this is the case of the Grove's PIR sensor v.1.0. If the sensor has an
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* inverse logic, change at the motion-sensor.c driver file
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* GPIO_DETECT_FALLING instead of GPIO_DETECT_RISING if using an external
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* pull-up resistor
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*/
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SENSORS_ACTIVATE(motion_sensor);
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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* @}
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* @}
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*/
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